TAPPI T839 Edge Compression Test (ECT)

Testing Standard:

TAPPI T839 Edgewise Compressive Strength of Corrugated Fiberboard Using the Clamp Method (Short Column Test) or TAPPI T839 Edge Compression Test

Standard Number
TAPPI T839

Standard Title
Edgewise Compressive Strength of Corrugated Fiberboard Clamp Method (Short Column Test), Test Method

Overview of TAPPI T839 Edge Compression Test:

TAPPI T839 Test Method details the method of obtaining the maximum compression strength measurement perpendicular to the flute axis of corrugated fiberboard. TAPPI T839 utilizes a spring support clamp fixture to reduce edge rolling of the material during testing. Purple Diamond Testing offers TAPPI T839 Edgewise Compressive Strength of Corrugated Fiberboard Clamp Method (Short Column Test) as part of our packaging compliance and validation services.

Rationale of TAPPI T839 Edge Compression Test:

TAPPI T839 – Edgewise Compressive Strength of Corrugated Fiberboard Clamp Method (Short Column Test). Data collected can be used along with flexural stiffness and box dimensions to accurately predict the overall top to bottom compression strength of corrugated boxes. Utilizing a clamp fixture reduces the potential of edge rolling of the linerboards during testing. The max force to cause compressive failure is recorded as the ECT value.

Key Points:

Critical to validating material selection during box design
Verifies strength of corrugated boxes according to Box Maker's Certificate (BMC)
Consider TAPPI T838 ECT (Neckdown Method) for materials that exhibit excessive edge rolling during other ECT methods such as TAPPI T811 (Wax Dip) or TAPPI T839 (Clamp)

Related Standards:

As always, Purple Diamond offers you the ability to either schedule an initial consultation, complimentary, OR you can book a facility tour and come on in and visit. Definitely feel free to stop in to the lab if you are close to the Lehigh Valley. The packaging and whole Purple Diamond team is here to assist you anyway that we can. The initial consultation can be either a phone call or a zoom call, whatever is more convenient for you. Reach out via the Contact Us page by either filling out the contact us form OR booking some time on the calendar below the contact form. Either way we will get back to you! Thank you so much for reading down this far and thank you for considering Purple Diamond as your dedicated testing, engineering, and design facility for all of your packaging needs.

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TAPPI T839 Edge Compression Test (ECT) – Clamp Method

Testing Standard:

Overview of TAPPI T839 Edge Compression Test:

Rationale of TAPPI T839 Edge Compression Test:

Key Points:

Related Standards:

Related Testing Standards

Accreditations

Achieving ISO 17025

International Safe Transit Association

Un Certification for Packaging

Affiliations

ASTM INTERNATIONAL

TAPPI

Services

Materials Testing

Package Testing

Product Testing

Stability Storage

Container Closure Integrity Testing

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